Skip to Main Content

Blog

Showing Entries with tag "Plant Health Care"

Myzocallis Oak Amphids on leaf
Environmental conditions coupled with biological properties have conspired to make this “The Year of the Aphid” with honeydew spewed onto leaves, stems, sidewalks, cars, etc., across Ohio. There hav...
Honeydew on leaves

I’ve never seen honeydew raining down as it is this year in my area of southwest Ohio. The BYGL has chronicled much of this.

leaves all over the ground
Native ash trees in southwest Ohio are showing tell-tale symptoms of Ash Anthracnose. The disease is produced by the fungus, Plagiostoma fraxini (syn. Gnomoniella fraxini). As the specific epithet i...
leaves on grass
The leaf-shedding handiwork of the Maple Petiole Borer (Caulocampus acericaulis, family Tenthredinidae) is becoming evident in southwest Ohio. This non-native sawfly was introduced into the United S...
Black Sooty Mold on branch
I recently visited a commercial landscape that had 5” – 6” DBH bur oaks (Quercus macrocarpa) with their newly expanding leaves speckled with clear, sticky honeydew. Twigs and branches had a dark, di...
White specks on branch
ODNR recently held a workshop in Spring of 2023 on Hemlock Wooly Adelgid(HWA) and Elongate Hemlock Scale(EHL) at Penitentiary Glenn in Like County. So as a horticulturist or homeowner, what should y...
leaves turning brown
Damage by the Hawthorn Leafminer Sawfly (Profenusa canadensis, family Tenthredinidae) on its namesake host is becoming evident in southwest Ohio. Several small hawthorn trees I saw yesterday in a lo...
Spotted Lanternfly Nymph on ruler
On Thursday, May 4, 2023, Jonathon Shields, Agriculture Inspection Manager with the Ohio Department of Agriculture (ODA), confirmed hatch of spotted lanternfly (SLF) within the Cincinnati infestatio...
Honeydew on maple leaves
Late last week, I came across plantings of red maples (Acer rubrum) in a commercial landscape in southwest Ohio that were dripping sticky, sugary, honeydew; the calling card of phloem-sucking insect...
Bush turning yellow taken out of the ground

I recently sent boxwood samples to The Ohio State University Plant and Pest Diagnostic Clinic. The results came back with the following comments:

After incubation in moist chamber, we observed Volute...

Copied!
^TOP
close
ModalContent
loading gif